Listar por tema "Electrical conductivity"
Mostrando ítems 1-10 de 10
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Advanced materials for SOFC application: Strategies for the development of highly conductive and stable solid oxide proton electrolytes
(2016)The basic strategies of improving the stability of proton-conducting electrolytes based on barium cerate (BaCeO3) by means of: (i) co-doping, (ii) doping by nonmetallic elements and (iii) composites development, are ... -
Development of an advanced embedded system for description of electrophysiological phenomena in ornamental plants by biosignals processing
(2011)Extracellular electrical signals that are produced from plants have different patterns depending on factors that may cause stress such as water deficiency, nutrient shortages, high salinity level in the root environment ... -
The effect of cobalt oxide addition on the properties of gadolinium doped barium cerate
(2009)In the present work the effect of cobalt oxide addition on the density and on the electrical properties of gadolinium doped barium cerate is investigated. A series of BaCe0.9-xGd0.1CoxO3-δ (?=0.00, 0.01, 0.03, 0.05, 0.07, ... -
The effect of nano-sized Al2O3 and CO2O3 addition on the properties of fluorite-type ceria-based oxide composite electrolytes for SOFC applications
(2011)The present work focuses on the influence of nano-sized Al2O3 and Co2O3 addition on the microstructure, mechanical and electrical properties of the solid state compositions Ce0.8Gd0.2O2-δ, Ce0.8Sm0.2O2-δ, Ce0.8Sm0.1Nd0.1O2-δ ... -
Electrochemical properties of ceramic membranes based on SrTi0.5Fe0.5O3-delta in reduced atmosphere
(2012)The present work aims at the investigation of the electrochemical properties of SrTi0.5Fe0.5O3-delta as a membrane material for hydrogen production via electrochemical reforming. The dependence of the electrical conductivity ... -
Highly efficient Li-O2 batteries based on self-standing NiFeP@NC/BC cathode derived from biochar supported Prussian blue analogues
(2020)Transition metal phosphides (TMPs) are considered as promising electrode materials due to their superior electrical conductivity and excellent redox activity. However, TMPs have rarely been reported as catalysts for lithium ... -
Novel fluorine-doped cobalt molybdate nanosheets with enriched oxygen-vacancies for improved oxygen evolution reaction activity
(2022)Herein, we have synthesized fluorine-doped cobalt molybdate (F-CoMoO4) nanosheet arrays on graphite felt (GF) to efficiently promote the oxygen evolution reaction (OER) kinetics. Experimental results show that F-CoMoO4 has ... -
Physico-chemical characterization and transport features of proton-conducting Sr-doped LaYO3 electrolyte ceramics
(2016)Structure, thermal and transport properties of chemically stable proton-conducting La0.9Sr0.1YO3-δ electrolyte are investigated in the present work. The features of ceramics preparation, thermal expansion and electrical ... -
Structural, electrical and transport properties of iron doped calcium titanates in view of applications for hydrogen production through the electrochemical conversion of water
(2009)The present work aims at the investigation of the structural, electrical and transport properties of a series of iron doped calcium titanates (CaTi1-xFexO3-δ) as membrane material for hydrogen production through the ... -
Topology optimization in wireless sensor networks for precision agriculture applications
(2007)In this paper a new way to build a wireless sensor network is proposed, which is based on measuring the field's electrical conductivity, staying away from the classic network grid implementation. Furthermore it is explained ...